Edit nightly release instead of replacing

tools/nightly-release.sh

@@ -9,8 +9,7 @@ if [[ $info = *$commitID* ]]; then
     exit 1
 fi
 
-echo "Deleting old release"
-hub release delete nightly
+go run remove-nightly-assets.go
 
 echo "Moving tag"
 hub push origin :refs/tags/nightly
@@ -21,10 +20,12 @@ echo "Cross compiling binaries"
 ./cross-compile.sh $1
 mv ../binaries .
 
+MESSAGE=$'Nightly build\n\nAutogenerated nightly build of micro'
+
 echo "Creating new release"
-hub release create nightly \
+hub release edit nightly \
     --prerelease \
-    --message $'Nightly build\n\nAutogenerated nightly build of micro.' \
+    --message "$MESSAGE. Assets uploaded on $(date)" \
     --attach "binaries/micro-$1-osx.tar.gz" \
     --attach "binaries/micro-$1-linux64.tar.gz" \
     --attach "binaries/micro-$1-linux64-static.tar.gz" \

tools/remove-nightly-assets.go

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"os/exec"
+	"strings"
+
+	"github.com/zyedidia/json5"
+)
+
+func main() {
+	resp, err := http.Get("https://api.github.com/repos/zyedidia/micro/releases")
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+
+	var data interface{}
+
+	err = json5.Unmarshal(body, &data)
+
+	for _, val := range data.([]interface{}) {
+		m := val.(map[string]interface{})
+		releaseName := m["name"].(string)
+		assets := m["assets"].([]interface{})
+		for _, asset := range assets {
+			assetInfo := asset.(map[string]interface{})
+			url := assetInfo["url"].(string)
+			if strings.Contains(strings.ToLower(releaseName), "nightly") {
+				cmd := exec.Command("hub", "api", "-X", "DELETE", url)
+				cmd.Run()
+			}
+		}
+	}
+}